A Modified Range Model and Extended Omega-K Algorithm for High-Speed-High-Squint SAR With Curved Trajectory
T Zhang, Y Li, J Wang, M Xing, L Guo… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
An accurate range model with acceleration, the coupling phase terms, and spatial-variant
(SV) Doppler parameters are the main issues to be solved in high-speed-high-squint …
(SV) Doppler parameters are the main issues to be solved in high-speed-high-squint …
Wide-beam SAR autofocus based on blind resampling
J Chen, H Yu - Science China Information Sciences, 2023 - Springer
Long synthetic aperture time and large instantaneous beam can turn airborne synthetic
aperture radar (SAR) autofocus into a wide-beam autofocus problem; ie, the motion error is …
aperture radar (SAR) autofocus into a wide-beam autofocus problem; ie, the motion error is …
An Estimation and Compensation Method for Motion Trajectory Error in Bistatic SAR
Y Li, W Li, J Wu, Z Sun, H Sun, J Yang - Remote Sensing, 2022 - mdpi.com
Bistatic synthetic aperture radar (BiSAR) has drawn increasing attention in recent studies
benefiting from its ability for forward-looking imaging, its capability of receiver radio silence …
benefiting from its ability for forward-looking imaging, its capability of receiver radio silence …
A Novel Motion Compensation Method Applicable to Ground Cartesian Back-Projection Algorithm for Airborne Circular SAR
The Ground-Cartesian factorized back-projection (G-CFBP) is an efficient time-domain
processing algorithm without image interpolation, and can realize accurate imaging for …
processing algorithm without image interpolation, and can realize accurate imaging for …
Focusing Highly-Squinted FMCW SAR Data Using the Modified Wavenumber-Domain Algorithm
T Zhang, Y Li, M Yuan, L Guo, H Lin… - IEEE Journal of …, 2023 - ieeexplore.ieee.org
Three-dimension acceleration, azimuth dependence, and real-time processing are the main
issues to be solved in highly-squinted frequency-modulation continuous-wave (FMCW) SAR …
issues to be solved in highly-squinted frequency-modulation continuous-wave (FMCW) SAR …
Processing of Airborne Microwave Photonic SAR Raw Data with Inaccurate RSF
Due to system instability and other reasons, the actual range sampling frequency of the
system may deviate from the ideal value for the microwave photonic synthetic aperture radar …
system may deviate from the ideal value for the microwave photonic synthetic aperture radar …
Coherent range-dependent map-drift algorithm for improving SAR motion compensation
M Zhang, G Wang, F Wei, X Jin - Journal of Systems …, 2023 - ieeexplore.ieee.org
Synthetic aperture radar (SAR) is usually sensitive to trajectory deviations that cause serious
motion error in the recorded data. In this paper, a coherent range-dependent map-drift …
motion error in the recorded data. In this paper, a coherent range-dependent map-drift …
A high frequency vibration compensation approach for ultrahigh resolution SAR imaging based on sinusoidal frequency modulation Fourier-Bessel transform
C Siyu, W Yong, C Rui - Journal of Systems Engineering and …, 2023 - ieeexplore.ieee.org
Ultrahigh resolution synthetic aperture radar (SAR) imaging for ship targets is significant in
SAR imaging, but it suffers from high frequency vibration of the platform, which will induce …
SAR imaging, but it suffers from high frequency vibration of the platform, which will induce …